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::write( const error::Issue & issue){Moj_stream ms;   ms<<issue.id;    ms<<ENDM;  if(issue.cause()){    write(*issue.cause());  }else{    ms<<ENDP;  }}Moj_stream::Moj_Stream(){  std::vector<Message> msg;}Moj_Stream& Moj_stream::operator<<(std::string s){   m_is << s ;}  void ENDM(Moj_stream &str){    Message m;    m.id = m_is.id;    msg.insert(m);}void ENDP(){   Spracuj(msg);//msg content are all issue}